Anatomy (2) Flashcards
What two muscles does axillary nerve C5,C6 supply?
Deltoid
Teres minor
What muscles (3) does musculocutaneous nerve C5-C7 supply?
All anterior compartment of arm
Biceps brachii
brachialis
coracobrachialis
What muscles does median nerve C5-T1 supply?
Muscles of anterior compartmnet of forearm
Muscle of hand
What muscles does radial nerve supply (C5-T1)?
Muscles of p[osterior arm
Muscles of posterior forearm
What muscles does obturator nerve supply?
medial compartment of thigh
Where does the optic nerve connect with CNS?
Diencephalon
Where does oculomotor nevre connect with CNS?
Midbrain (mesencephalon)
What cranial nerves travels towards the orbit in the lateral walls of the cavernous sinus>?
Oculomotor
Trochlear
What cranial foramina does oculomotor nerve and trochlear and abducent go through?
SOF
Where does trochlear nerve connect to CNS?
Midbrain (mesencephalon)
wHAT MUSCLES DOES TROCHLEAR SUPPLY?
Superior oblique
Where does abducent nerve meet the CNS?
Pontomedullary junction
What cranial nerbe trabels towards orbit within the cavernous sinus?
Abducent
What cranial foraminae does CN VIII go throuhg?
Internal acoustic meatus
Where does CN VIII connect with CNS/?
Pontomedullary junction
Where does spinakl accessory nerve connect with CNS?
Cervical spinal cord
What skull hole does CN XI travel through?
Jugular foramen
What cranial nerve crosses the psoterior triangle of the neck?
CN XI
What cranial nerve connects to the CNS via rootlets lateral to the pyramids of the medulla
CN XII
What division of CNV is sensory and motor?
V3
Where does CNV connect to CNS?
pons
What three jaw muscles (closing) does CN V3 supply?
Masseter
Temporalis
Medial pterygoid
lateral pterygoid (opening)
Where does facial nerve connect to CNS?
Anterolateral at pontomedullary junction
Where does glossopharyngeal nerve connect with CNS?
Lateral aspect of superior medulla oblongata
Where does vagus nerve connect toi CNS?
Lateral aspect of medulla, immediatly inferior to CN IX
Name a bony featuerr of occipital bone?
External occipital protruberance
What artery courses iver the deep aspect of pterion?
Middle meningeal artery
What are the meninges?
Protective covering for the brain and spinal cord
What nerve supples sensory to dura mater?
CN V
In relation to venous drainage of brain - where is the confluence of the sinuses?
In midline at internal occipital protruberance, deep to external occipital protrubernace
What does right vertebrla artery branch from?
Right subclavian artery
What artery supplies medial aspect of right cerebral hemisphere?
Right anterior cerebral artery
What artery supples the posteriir aspect of the right cerebral hemisphere including the visual cortex?
Right posterior cerebral artery
What artery supploies the lateral aspect of the left cerebral hemisphere?
Left middle cerebral artery
Where is the circle of willis?
In subarachnoid soace
What can cause an extradural haemorrhage?
Rupture of middle meningeal artery
What can cause subdural haemorrhgae?
Torn cerebral veins - falls in elderly
What can cause subarachnoid haemorrhage?
Ruptured circle of willis, berry aneurysm
Where do you do an epidural?
L3/L4
Where does subarachnoid space end?
S2
